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Old 05-17-2018, 11:03 AM   #11
DanT55
Scooby Newbie
 
Member#: 456981
Join Date: Oct 2016
Location: Kansas City
Vehicle:
02 WRX
Silver

Default

Head gasket least of your concerns...over boost/creep could lean you out and knock is what will crack your pistons. Valves shouldn't be an issue.

The 3 port boost controller should help but you need a "pro tune" to maximize function/response. Believe me you will run better and car will be happier with a legit tune. AP base maps are lowest common denominator and only get you in the ball park at best. As it sits the GS unit is probably part of the problem without a good tune.

Good luck.

-DT
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